<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js">
    </script>
</head>
<body>
<div id="app">
    <!--<input type="text" v-model:value="{{value}}">-->
    <input type="radio" name="sex" value="1">
    <input type="radio" name="sex" value="0">
</div>

<script>
    var vm = new Vue({
        el: "#app",
        data: {value: 1}
    })
</script>
</body>
</html>